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haphazard
User
Aug 10, 2021, 9:05 AM
Post #1 of 10
(872 views)
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09 town & county
212,000 miles
3.8 motor
My rear heater control isn’t working
I replaced the whole unit and still don’t work
Can someone tell me where the relay fuse is located ?
It worked for a minute then stopped I’m thinking it could be a bad fuse or relay
Thanks
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Hammer Time
Ultimate Carjunky
/ Moderator
Aug 10, 2021, 9:45 AM
Post #2 of 10
(865 views)
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Re: Heater controls
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What specifically isn't working?
Does it work from the front control?
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haphazard
User
Aug 10, 2021, 11:04 AM
Post #3 of 10
(859 views)
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Re: Heater controls
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The front controls work fine, if the rear control that don’t work, blower motor isn’t working on any setting
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Hammer Time
Ultimate Carjunky
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Aug 10, 2021, 11:09 AM
Post #4 of 10
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Re: Heater controls
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Maybe you didn't understand my question.
Can you control the rear blower from the front control?
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haphazard
User
Aug 10, 2021, 11:24 AM
Post #5 of 10
(848 views)
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Re: Heater controls
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Yes, but there is a 2nd countrol for the rear, it’s below the front controls
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Hammer Time
Ultimate Carjunky
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Aug 10, 2021, 11:28 AM
Post #6 of 10
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Re: Heater controls
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The rear control uses it's own module and sounds like where the problem is. The switch is built into it.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
(This post was edited by Hammer Time on Aug 10, 2021, 11:29 AM)
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haphazard
User
Aug 10, 2021, 11:34 AM
Post #7 of 10
(837 views)
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Re: Heater controls
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Is there a separate fuse or relay for it ?
How do I go about fixing it ?
I replaced the whole unit with another one and it worked for a minute, then stopped
The whole heater controls, front and back sre on the same unit
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Hammer Time
Ultimate Carjunky
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Aug 10, 2021, 11:42 AM
Post #8 of 10
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Re: Heater controls
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Yes, there is a relay and a fuse in the main power module under the hood.
Here is the wiring diagram
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haphazard
User
Aug 10, 2021, 11:53 AM
Post #9 of 10
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Re: Heater controls
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Is there a number for it in the fuse box ?
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Hammer Time
Ultimate Carjunky
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Aug 10, 2021, 11:59 AM
Post #10 of 10
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Re: Heater controls
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The diagram gives you that info. It's fuse #J18 30A
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